diff options
Diffstat (limited to 'llvm/test/Transforms/MergeFunc/linkonce_odr.ll')
| -rw-r--r-- | llvm/test/Transforms/MergeFunc/linkonce_odr.ll | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/llvm/test/Transforms/MergeFunc/linkonce_odr.ll b/llvm/test/Transforms/MergeFunc/linkonce_odr.ll deleted file mode 100644 index 825f9054d7b..00000000000 --- a/llvm/test/Transforms/MergeFunc/linkonce_odr.ll +++ /dev/null @@ -1,42 +0,0 @@ -; RUN: opt -S -mergefunc < %s | FileCheck %s -implicit-check-not=funC - -; Replacments should be totally ordered on the function name. -; If we don't do this we can end up with one module defining a thunk for @funA -; and another module defining a thunk for @funB. -; -; The problem with this is that the linker could then choose these two stubs -; each of the two modules and we end up with two stubs calling each other. - -; CHECK-LABEL: define linkonce_odr i32 @funA -; CHECK-NEXT: add -; CHECK: ret - -; CHECK-LABEL: define linkonce_odr i32 @funB -; CHECK-NEXT: tail call i32 @funA(i32 %0, i32 %1) -; CHECK-NEXT: ret - -define linkonce_odr i32 @funC(i32 %x, i32 %y) { - %sum = add i32 %x, %y - %sum2 = add i32 %x, %sum - %sum3 = add i32 %x, %sum2 - ret i32 %sum3 -} - -define linkonce_odr i32 @funB(i32 %x, i32 %y) { - %sum = add i32 %x, %y - %sum2 = add i32 %x, %sum - %sum3 = add i32 %x, %sum2 - ret i32 %sum3 -} - -define linkonce_odr i32 @funA(i32 %x, i32 %y) { - %sum = add i32 %x, %y - %sum2 = add i32 %x, %sum - %sum3 = add i32 %x, %sum2 - ret i32 %sum3 -} - -; This creates a use of @funB, preventing -mergefunc from deleting it. -; @funC, however, can safely be deleted as it has no uses, and is discardable -; if unused. -@take_addr_of_funB = global i8* bitcast (i32 (i32, i32)* @funB to i8*) |
